horde mail disk space keeps growing despite deleting all folders; why?

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http://forums.cpanel.net – Hi, Horde is a mystery with its disk space consumption...or is it something else? The 'disk space usage' panel shows 45.74 mg being used by mail; when i click on 'mail' on the 'disk space usage' panel, the the in, out, send, trash boxes for all mail id's have far less than the amount of disk space usage noted on the above mentioned panel. Where else do I look for something that is consuming this much disk space and how is this consumed space 'managed'? I am getting charged for disk space, and I need to get this resolved. I am sure this isnt the 1st time this ? has been asked; thanks in (HowTos)